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Question


The given expression '2x2+3y+5z2+10p+6y+7x2', on simplification gives:


Options:
A .   9x2+9y+5z2+10p
B .   11x2+2y+10z2+10p
C .   9x2+12y+5z2+10p
D .   19x2+10y+5z2+10p
Answer: Option A
:
A
Given expression is
2x
2+3y+5z2 +10p+6y+7x2
Group the like terms:
= (2x2+7x2) + (3y+6y) + 10p + 5z2

Solve groups:
x2(2+7)+y(3+6)+5z2+10p
9x2+9y+5z2+10p



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